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Textbook Solution
Mathematics
Statistics
An exam produced grades with a mean score of 74 2
An exam produced grades with a mean score of 74 2
An exam produced grades with a mean score of 74.2 and a standard deviation of 11.5. Find the z-score for each test score x:
a. x = 54
b. x = 68
c. x = 79
d. x = 93
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